These are pronomina not recommended in indonesia

• gue = I am
• elo = you are
• bokap = father
• nyokap = mother
• bokin = girlfriend / boyfriend
• cewek = woman
• cowok = man

Explain

Not talking like that if we conversation with our boss / our parrents

because there are is not formaly language

example : bokap gue (informal) = my father

we should say ayah saya or ayah ku = my father